Enhanced PDU Shows Voltage Power Consumption Error Without Anything Connected

Asset ID:	1-72-2152418.1
Update Date:	2018-04-19
Keywords:

Solution Type Problem Resolution Sure

Solution 2152418.1 : Enhanced PDU Shows Voltage Power Consumption Error Without Anything Connected

Applies to:

Exadata X5-2 Quarter Rack - Version All Versions and later
Information in this document applies to any platform.

Symptoms

Enhanced PDU meter shows error for input

Example

PDU-A
Input0 : Current 2.91A/Voltage 1.0V <<<<<<<<<<
Input1 : Current 1.78A/Voltage 227.5V
Input2 : Current 0.00A/Voltage 0.0V <<<<<<<<<<
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
PDU-B
Input0 : Current 0.00A/Voltage 0.0V <<<<<<<<<<
Input1 : Current 1.96A/Voltage 232.8V
Input2 : Current 2.85A/Voltage 1.0V <<<<<<<<<

See below Images

PDU-A

Error shows on PDU-A

PDU-B

Error shows on PDU-B

Issue : Current / Voltage showing zero and sometimes a non-zero value with the Voltage square in "RED" color and state with a red "X" when nothing is connected

Cause

The phase connected to PDU plug is not correct

Solution

Verify that voltage being applied at the PDU plug is the correct phasing.
See the below picture for correct phase connection to PDU input Plug

Input to PDU Plug

Expected: Current and Voltage values should be ZERO '0' when there is no equipment connected and the Voltage square should not be "RED" and the state should be a green tick.

NOTE : To check PDU Plug Phase connection, You may require data center electrician and field engineer.

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